Big Dog Motorcycles LogoBig Dog Motorcycles - 2008 Model Comparison Chart
PitbullK-9MuttMastiffRidgeback
Factory Warranty2 Years2 Years2 Years2 Years2 Years
Dry Weight - Front294 lbs271 lbs271 lbs281 lbs259 lbs
Dry Weight - Rear384 lbs430 lbs411 lbs427 lbs421 lbs
Dry Weight - Total678 lbs701 lbs682 lbs708 lbs680 lbs
GVWR1085 lbs1130 lbs1085 lbs1130 lbs1085 lbs
GAWR - Front360 lbs390 lbs390 lbs390 lbs390 lbs
GAWR - Rear725 lbs740 lbs695 lbs740 lbs695 lbs
Fuel - Total4.6 Gal4.4 Gal3.8 Gal4.6 Gal4.4 Gal
Fuel - Main4.0 Gal4.0 Gal3.4 Gal3.9 Gal4.0 Gal
Fuel - Reserve0.6 Gal0.4 Gal0.4 Gal0.7 Gal0.4 Gal
Oil Capacity3.75 Qts2.875 - 3 Qts2.875 - 3 Qts2.875 - 3 Qts2.875 - 3 Qts
Frame Specs6" OS BB, 1" OS DT4" OS BB, 8" OS DT6" OS BB, 0" OS DT6" OS BB, 0" OS DT4" OS BB, 8" OS DT
Frame Rake33 Degrees39 Degrees37 Degrees39 Degrees39 Degrees
Tree Rake0 Degrees3 Degrees2 Degrees3 Degrees3 Degrees
Trail4.5"4.35"4.81"4.81"4.35"
Front Suspension41mm Telescopic41mm Telescopic41mm Telescopic41mm Telescopic41mm Telescopic
Seat Height25.5" Spring Seat24.25"24.25"24.25"24.25"
Ground Clearance4.75"4.0"4.5"4.0"4.5"
Wheel Base73"82"77.5"77.5"82.5"
Total Length102"108"102.5"103"107"
Front BrakePM 4-Piston Diff BorePM 4-Piston Diff BorePM 4-Piston Diff BorePM 4-Piston Diff BorePM 4-Piston Diff Bore
Rear BrakePM 4-PistonPM 4-PistonPM 2-PistonPM 4-PistonPM 4-Piston
Front Tire130/60R23 65VMH90-21 56HMH90-21 56HMH120/70-21 62HMH90-21 56H
Rear Tire280/40R20 89V300/35-R18 87V250/40-R18 81H300/35-18 87V330/30-R17 87V
Tire PressureF-40 psi/R-42 psiF-40 psi/R-42 psiF-40 psi/R-42 psiF-41 psi/R-42 psiF-40 psi/R-42 psi
Front WheelBillet 23 x 3.75Billet 21 x 2.1580 Spoke 21 x 2.15Billet 21 x 3.50Billet 21 x 2.15
Rear WheelBillet 20 x 10.50Billet 18 x 10.5080 Spoke 18 x 8.50Billet 18 x 10.50Billet 17 x 12.00
EngineOHV 45 degree V-TwinOHV 45 degree V-TwinOHV 45 degree V-TwinOHV 45 degree V-TwinOHV 45 degree V-Twin
Displacement117 c.i. (1916cc)117 c.i. (1916cc)117 c.i. (1916cc)117 c.i. (1916cc)117 c.i. (1916cc)
Bore x Stroke4 1/8" x 4 3/8"4 1/8" x 4 3/8"4 1/8" x 4 3/8"4 1/8" x 4 3/8"4 1/8" x 4 3/8"
Compression Ratio9.6:19.6:19.6:19.6:19.6:1
Fuel SystemCarburetedCarbureted or EFICarburetedCarbureted or EFICarbureted
Transmission6-Speed6-Speed6-Speed6-Speed6-Speed
Primary DriveChain/Balance DriveChain/Balance DriveChain/Balance DriveChain/Balance DriveChain/Balance Drive
Final Drive1-1/8" Belt1-1/8" Belt1-1/8" Belt1-1/8" Belt1-1/8" Belt
IgnitionElectronic Single FireElectronic Single FireElectronic Single FireElectronic Single FireElectronic Single Fire
Charging Output40 Amp40 Amp40 Amp40 Amp40 Amp
Battery TypeSealed AGMSealed AGMSealed AGMSealed AGMSealed AGM
Battery270 CCA270 CCA270 CCA270 CCA270 CCA